Haroon is a law student at Jamia Millia Islamia. He has participated in several moot court competitions, some of which are the 8th Mahamana Malviya National Arbitration Moot Court Competition, the 29th Willem C. Vis International Commercial Arbitration Moot, and 2021 International Cross-Examination Moot. Haroon bagged the runner-up title in Amity National Trial Advocacy Competition, 2021. He has also aided Members of Parliament and Public Policy Organisations and holds coordinating positions with several NGOs and Law Research databases. He is also the Arbitrations Legal Coordinator for the India Economic Trade Organisation.